566341421 has 2 divisors, whose sum is σ = 566341422. Its totient is φ = 566341420.

The previous prime is 566341403. The next prime is 566341459. The reversal of 566341421 is 124143665.

566341421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 556488100 + 9853321 = 23590^2 + 3139^2 .

It is a cyclic number.

It is not a de Polignac number, because 566341421 - 2⁶ = 566341357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (566341471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 283170710 + 283170711.

It is an arithmetic number, because the mean of its divisors is an integer number (283170711).

Almost surely, 2^566341421 is an apocalyptic number.

It is an amenable number.

566341421 is a deficient number, since it is larger than the sum of its proper divisors (1).

566341421 is an equidigital number, since it uses as much as digits as its factorization.

566341421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 566341421 is about 23797.9289224924. The cubic root of 566341421 is about 827.3566755848.

The spelling of 566341421 in words is "five hundred sixty-six million, three hundred forty-one thousand, four hundred twenty-one".